jack is thinking of a positive whole number...

Question

Jack is thinking of a positive whole number. Multiplying her number by 2 increases it by less than 18. Dividing her number by 3 decreases it by more than 11. What is his number?

Answer 1

2p<p+18 means p<18

p/3<p-11, p<3p-33, -2p<-33, 2p>33, p>16.5

Therefore p=17

 

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